Self-assembly block toy set

ABSTRACT

The present disclosure relates to a self-assembly block toy set in which each block interlocks with each other laterally, at right angles along the side of each of the blocks, vertically or in other various ways, thereby being assembled into diverse models. The self-assembly block toy set includes a plurality of square blocks, wherein the square block includes a main body unit that assumes the shape of a square prism with specific height, an interlocking unit that forms outside each side of the main body unit, a vertical interlocking protuberance or a vertical interlocking slot that forms on the top surface and the bottom surface of the main body unit, a cross axis inserting hole that forms at the center of the main body unit and a plurality of interlocking unit inserting holes that form in the main body unit except for the cross axis inserting hole.

CROSS-REFERENCE TO PRIOR APPLICATIONS

This application claims the benefit of foreign priority of Korean Patent Application No. 10-2016-130530 (filed Oct. 10, 2016), the subject matter of which is hereby incorporated by reference in its entirety.

BACKGROUND OF THE DISCLOSURE Field of the Disclosure

The present disclosure relates to a self-assembly block toy set and, more particularly, to a self-assembly block toy set in which each block interlocks with each other laterally, at right angles along the side of each of the blocks, vertically or in other various ways, thereby being assembled into diverse models.

Description of the Related Art

A block toy refers to a toy with which one could construct a solid shape they desire by assembling small blocks made typically of plastic so that users relish the shape while such a block toy includes a plurality of, and a set of, the blocks.

Self-assembly toys, as a kind of block toys, have been marketed for which it is required to interlock the protuberances and slots configured in each block to complete the toy. As for such an self-assembly toy, it is, however, also required to forcefully plug each protuberance into each slot corresponding to the protuberance in each block and, even after the assembly is completed, it is not very easy to disassemble the blocks to construct another solid shape.

Those block toys which include blocks with magnets embedded inside have also been marketed so that the blocks are easily assembled by means of magnetism when brought proximately to each other. As for such a block toy with magnets, although it is convenient to assemble the blocks with each other by means of magnetism and also convenient to disassemble after the assembly is completed, the shape could collapse with a rather slight impact because, in most cases, the edges of the blocks are rounded and, correspondingly, binding between the blocks is not firm.

Although they are currently developing those block toys which have interlocking units of a variety of shapes, instead of having an interlocking structure in which protuberances and slots formed in each of the blocks fit into each other, in order to provide convenience of assembling and firmness of binding force between the blocks, it is still necessary to develop a self-assembly block toy set in which each block interlocks with each other laterally, at right angles along the side of each of the blocks, vertically or in other various ways to the extent possible so as to nurture creativity of those children who use such block toys.

The above information disclosed in this Background section is only for enhancement of understanding of the background of the invention and it may therefore contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

RELATED ART DOCUMENTS Patent Literature

Korean Registered Patent No. 1261015, “ASSEMBLY TOY BLOCK SET” (Published on May 7, 2013)

SUMMARY OF THE DISCLOSURE

The present disclosure is directed to a self-assembly block toy set in which each block interlocks with each other laterally, at right angles along the side of each of the blocks, vertically or in other various ways, thereby being assembled into diverse models.

A self-assembly block toy set according to an embodiment of the present disclosure includes a plurality of square blocks 100, wherein the square block 100 includes:

a main body unit 110 that assumes the shape of a square prism with specific height;

a first interlocking unit 120 that is formed on one side of the outer surface of each side of the main body unit 110;

a second interlocking unit 130 that is formed on the other side of the outer surface of each side of the main body unit 110;

a plurality of vertical interlocking protuberances 140 that are formed on the top surface of the main body unit 110;

a plurality of vertical interlocking slots 150 that are formed on the bottom surface of the main body unit 110;

a cross axis inserting hole 160 that is formed at the center of the main body unit 110;

a plurality of interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160; and a straight line slot 180 that is elongated inside the main body unit 110 along the edge of the main body unit 110 on the top surface and the bottom surface of the main body unit 110, the first interlocking unit 120 includes:

a II-shaped interlocking tip 121, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 could be inserted thereinto;

slots 122 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 121; and

protuberances 123 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 121 and

the second interlocking unit 130 includes:

an H-shaped interlocking tip 131 that could be inserted into the first interlocking unit 120 of the other one of the square blocks 100; and

protuberances 132 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip 131.

A self-assembly block toy set according to another embodiment of the present disclosure includes the square blocks 100, wherein the square block 100 includes:

the main body unit 110 that assumes the shape of a square prism with specific height;

the first interlocking unit 120 that is formed on one side of the outer surface of each side of the main body unit 110;

the second interlocking unit 130 that is formed on the other side of the outer surface of each side of the main body unit 110;

the vertical interlocking protuberances 140 that are formed on the top surface of the main body unit 110;

the vertical interlocking slots 150 that are formed on the bottom surface of the main body unit 110;

the cross axis inserting hole 160 that is formed at the center of the main body unit 110; the interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160; and

the straight line slot 180 that is elongated inside the main body unit 110 along the edge of the main body unit 110 on the top surface and the bottom surface of the main body unit 110, the first interlocking unit 120 includes:

the II-shaped interlocking tip 121, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 could be inserted thereinto;

the slots 122 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 121; and

the protuberances 123 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 121 and

the second interlocking unit 130 includes:

an I-shaped interlocking tip 133 that could be inserted into the first interlocking unit 120 of the other one of the square blocks 100; and

protuberances 134 that are formed in a symmetrical way on the outer wall the I-shaped interlocking tip 133.

A self-assembly block toy set according to yet another embodiment of the present disclosure includes the square blocks 100, wherein

the square block 100 includes:

the main body unit 110 that assumes the shape of a square prism with specific height;

the first interlocking unit 120 that is formed on one side of the outer surface of each side of the main body unit 110;

the second interlocking unit 130 that is formed on the other side of the outer surface of each side of the main body unit 110;

the vertical interlocking protuberances 140 that are formed on the top surface of the main body unit 110;

the of vertical interlocking slots 150 that are formed on the bottom surface of the main body unit 110;

the cross axis inserting hole 160 that is formed at the center of the main body unit 110; the interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160; and

the straight line slot 180 that is elongated inside the main body unit 110 along the edge of the main body unit 110 on the top surface and the bottom surface of the main body unit 110, the first interlocking unit 120 includes:

a II-shaped interlocking tip 124, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 could be inserted thereinto;

protuberances 125 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 124; and

protuberances 126 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 124 and

the second interlocking unit 130 includes:

an I-shaped interlocking tip 135 that could be inserted into the first interlocking unit 120 of the other one of the square blocks 100 and has an enneagonal unit 136 at the front end in the vertical direction; and

slots 137 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 135.

The interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160 have a structure into which the interlocking tip 121, 124 of the first interlocking unit 120 and the interlocking tip 131, 133, 135 of the second interlocking unit 130 of the other one of the square blocks 100 could be inserted at right angles and include a plurality of square inserting holes 171 into which the interlocking tip 121, 124 of the first interlocking unit 120 of the other one of the square blocks 100 could be inserted and a plurality of X-shaped inserting holes 172 into which the interlocking tip 131, 133, 135 of the second interlocking unit 130 of the other one of the square blocks 100 could be inserted.

The main body unit 110 includes, at the center of the outer surface of each side thereof, a third interlocking unit 190 which has an interlocking tip 191, whose two leaves are extended in a symmetrical way with a gap in between so that a side of the main body unit 110 of the other one of the square blocks 100 could be inserted thereinto at right angles,

wherein the interlocking tip 191 of the third interlocking unit 190 is shorter than the interlocking tip 121, 131 of the first and second interlocking unit 120, 130 and has protuberances 192 on its inner surface, wherein one of the protuberances 192 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface;

a side surface orthogonal interlocking slot 181 is formed on the straight line slot 180, away from the center of the straight line slot 180 in one direction, of each side of the top surface of the main body unit 110 while the side surface orthogonal interlocking slot 181 is formed on the straight line slot 180, away from the center of the straight line slot 180 in the other direction, of each side of the bottom surface of the main body unit 110; and

when a side of the main body unit 110 of one of the square blocks 100 interlocks orthogonally with a side of the main body unit 110 of the other one of the square block 100,

one of the the protuberances 192 formed on the inner surface of the interlocking tip 191 of the third interlocking unit 190 of the one square block 100 is inserted into the side surface orthogonal interlocking slot 181 of the top surface of the main body unit 110 of the other square block 100 while the other protuberance 192 is inserted into the side surface orthogonal interlocking slot 181 of the bottom surface of the main body unit 110 of the other square block 100.

A self-assembly block toy set according to still another embodiment of the present disclosure includes a plurality of pentagonal blocks 200 and could further include the square blocks 100,

wherein the pentagonal block 200 includes:

a main body unit 210 that assumes the shape of a regular pentagonal prism with specific height;

a first interlocking unit 220 that is formed on one side of the outer surface of each side of the main body unit 210;

a second interlocking unit 230 that is formed on the other side of the outer surface of each side of the main body unit 210;

a plurality of vertical interlocking protuberances 240 that are formed on the top surface of the main body unit 210;

a plurality of vertical interlocking slots 250 that are formed on the bottom surface of the main body unit 210;

a cross axis inserting hole 260 that is formed at the center of the main body unit 210;

a plurality of interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260; and

a straight line slot 280 that is elongated inside the main body unit 210 along the edge of the main body unit 210 on the top surface and the bottom surface of the main body unit 210, the first interlocking unit 220 includes:

a II-shaped interlocking tip 221, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal blocks 200 could be inserted thereinto;

slots 222 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 221; and

protuberances 223 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 221 and

the second interlocking unit 230 includes:

an H-shaped interlocking tip 231 that could be inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200; and

protuberances 232 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip 231.

A self-assembly block toy set according to a further embodiment of the present disclosure includes the pentagonal blocks 200 and could further include the square blocks 100,

wherein the pentagonal block 200 includes:

the main body unit 210 that assumes the shape of a regular pentagonal prism with specific height;

the first interlocking unit 220 that is formed on one side of the outer surface of each side of the main body unit 210;

the second interlocking unit 230 that is formed on the other side of the outer surface of each side of the main body unit 210;

the vertical interlocking protuberances 240 that are formed on the top surface of the main body unit 210;

the vertical interlocking slots 250 that are formed on the bottom surface of the main body unit 210;

the cross axis inserting hole 260 that is formed at the center of the main body unit 210; the interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260; and

the straight line slot 280 that is elongated inside the main body unit 210 along the edge of the main body unit 210 on the top surface and the bottom surface of the main body unit 210,

the first interlocking unit 220 includes:

the II-shaped interlocking tip 221, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal block 200 could be inserted thereinto;

the slots 222 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 221; and

the protuberances 223 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 221 and

the second interlocking unit 230 includes:

an I-shaped interlocking tip 233 that could be inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200; and

protuberances 234 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 233.

A self-assembly block toy set according to another embodiment of the present disclosure includes the pentagonal blocks 200 and could further include the square blocks 100,

wherein the pentagonal block 200 includes:

the main body unit 210 that assumes the shape of a regular pentagonal prism with specific height;

the first interlocking unit 220 that is formed on one side of the outer surface of each side of the main body unit 210;

the second interlocking unit 230 that is formed on the other side of the outer surface of each side of the main body unit 210;

the vertical interlocking protuberances 240 that are formed on the top surface of the main body unit 210;

the vertical interlocking slots 250 that are formed on the bottom surface of the main body unit 210;

the cross axis inserting hole 260 that is formed at the center of the main body unit 210; the interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260; and

the straight line slot 280 that is elongated inside the main body unit 210 along the edge of the main body unit 210 on the top surface and the bottom surface of the main body unit 210,

the first interlocking unit 220 includes:

a II-shaped interlocking tip 224, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal blocks 200 could be inserted thereinto;

protuberances 225 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 224; and

protuberances 226 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 224 and

the second interlocking unit 230 includes:

an I-shaped interlocking tip 235 that could be inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 and has an enneagonal unit 236 at the front end in the vertical direction; and

slots 237 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 235.

The interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260 have a structure into which the interlocking tip 121, 124, 221, 224 of the first interlocking unit 120, 220 and the interlocking tip 131, 133, 135, 231, 233, 235 of the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted at right angles and include a plurality of square inserting holes 271 into which the interlocking tip 121, 124, 221, 224 of the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted and a plurality of X-shaped inserting holes 272 into which the interlocking tip 131, 133, 135, 231, 233, 235 of the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted.

The main body unit 210 includes, at the center of the outer surface of each side thereof, a third interlocking unit 290 which has an interlocking tip 291, whose two leaves are extended with a gap in between so that a side of the main body unit 110, 210 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted thereinto at right angles,

wherein the interlocking tip 291 of the third interlocking unit 290 is shorter than the interlocking tip 221, 224, 231, 235 of the first and second interlocking unit 220, 230 and has protuberances 292 on its inner surface, wherein one of the protuberances 292 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface;

a side surface orthogonal interlocking slot 281 is formed on the straight line slot 280, away from the center of the straight line slot 280 in one direction, of each side of the top surface of the main body unit 210 while the side surface orthogonal interlocking slot 281 is formed on the straight line slot 280, away from the center of the straight line slot 280 in the other direction, of each side of the bottom surface of the main body unit 210; and

when a side of the main body unit 210 of one of the pentagonal blocks 200 interlocks orthogonally with a side of the main body unit 110, 210 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200, one of the the protuberances 292 formed on the inner surface of the interlocking tip 291 of the third interlocking unit 290 of the one pentagonal block 200 is inserted into the side surface orthogonal interlocking slot 181, 281 of the top surface of the main body unit 110, 210 of the other square block 100 or the other pentagonal block 200 while the other protuberance 292 is inserted into the side surface orthogonal interlocking slot 181, 281 of the bottom surface of the main body unit 110, 210 of the other square block 100 or the other pentagonal block 200.

A self-assembly block toy set according to still another embodiment of the present disclosure includes a plurality of triangular blocks 300 and could further include the square blocks 100 and the pentagonal blocks 200,

wherein the triangular block 300 includes:

a main body unit 310 that assumes the shape of a regular triangular prism with specific height;

a first interlocking unit 320 that is formed on one side of the outer surface of each side of the main body unit 310;

a second interlocking unit 330 that is formed on the other side of the outer surface of each side of the main body unit 310;

a plurality of vertical interlocking protuberances 340 that are formed on the top surface of the main body unit 310;

a plurality of vertical interlocking slots 350 that are formed on the bottom surface of the main body unit 310;

a cross axis inserting hole 360 that is formed at the center of the main body unit 310; and

a straight line slot 370 that is elongated inside the main body unit 310 along the edge of the main body unit 310 on the top surface and the bottom surface of the main body unit 310,

the first interlocking unit 320 includes:

a II-shaped interlocking tip 321, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto;

slots 322 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 321; and

protuberances 323 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 321 and

the second interlocking unit 330 includes:

an H-shaped interlocking tip 331 that could be inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300; and

protuberances 332 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip 331.

A self-assembly block toy set according to still another embodiment of the present disclosure includes the triangular blocks 300 and could further include the square blocks 100 and the pentagonal blocks 200,

wherein the triangular block 300 includes:

the main body unit 310 that assumes the shape of a regular triangular prism with specific height;

the first interlocking unit 320 that is formed on one side of the outer surface of each side of the main body unit 310;

the second interlocking unit 330 that is formed on the other side of the outer surface of each side of the main body unit 310;

the vertical interlocking protuberances 340 that are formed on the top surface of the main body unit 310;

the vertical interlocking slots 350 that are formed on the bottom surface of the main body unit 310;

the cross axis inserting hole 360 that is formed at the center of the main body unit 310; and

the straight line slot 370 that is elongated inside the main body unit 310 along the edge of the main body unit 310 on the top surface and the bottom surface of the main body unit 310,

the first interlocking unit 320 includes:

the II-shaped interlocking tip 321, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto;

the slots 322 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 321; and

the protuberances 323 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 321 and

the second interlocking unit 330 includes:

an I-shaped interlocking tip 333 that could be inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300; and

protuberances 334 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 333.

A self-assembly block toy set according to still another embodiment of the present disclosure includes the triangular blocks 300 and could further include the square blocks 100 and the pentagonal blocks 200,

wherein the triangular block 300 includes:

the main body unit 310 that assumes the shape of a regular triangular prism with specific height;

the first interlocking unit 320 that is formed on one side of the outer surface of each side of the main body unit 310;

the second interlocking unit 330 that is formed on the other side of the outer surface of each side of the main body unit 310;

the vertical interlocking protuberances 340 that are formed on the top surface of the main body unit 310;

the vertical interlocking slots 350 that are formed on the bottom surface of the main body unit 310;

the cross axis inserting hole 360 that is formed at the center of the main body unit 310; and

the straight line slot 370 that is elongated inside the main body unit 310 along the edge of the main body unit 310 on the top surface and the bottom surface of the main body unit 310,

the first interlocking unit 320 includes:

a II-shaped interlocking tip 324, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto;

protuberances 325 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 324; and

protuberances 326 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 324 and

the second interlocking unit 230 includes:

an I-shaped interlocking tip 335 that could be inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 and has an enneagonal unit 336 at the front end in the vertical direction; and

slots 337 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 335.

The main body unit 310 includes, at the center of the outer surface of each side thereof, a third interlocking unit 380 which has an interlocking tip 381, whose two leaves are extended with a gap in between so that a side of the main body unit 110, 210, 310 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto at right angles, wherein the interlocking tip 381 of the third interlocking unit 380 is shorter than the interlocking tip 321, 324, 331, 333, 335 of the first and second interlocking unit 320, 330 and has protuberances 382 on its inner surface, wherein one of the protuberances 382 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface;

a side surface orthogonal interlocking slot 371 is formed on the straight line slot 370, away from the center of the straight line slot 370 in one direction, of each side of the top surface of the main body unit 310 while the side surface orthogonal interlocking slot 371 is formed on the straight line slot 370, away from the center of the straight line slot 370 in the other direction, of each side of the bottom surface of the main body unit 310; and

when a side of the main body unit 310 of one of the triangular blocks 300 interlocks orthogonally with a side of the main body unit 110, 210, 310 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300, one of the the protuberances 382 formed on the inner surface of the interlocking tip 381 of the third interlocking unit 380 of the one triangular block 300 is inserted into the side surface orthogonal interlocking slot 181, 281, 371 of the top surface of the main body unit 110, 210, 310 of the other square block 100, the other pentagonal block or the other triangular block 300 while the other protuberance 382 is inserted into the side surface orthogonal interlocking slot 181, 281, 371 of the bottom surface of the main body unit 110, 210, 310 of the other square block 100, the other pentagonal block 200, or the other triangular block 300.

The self-assembly block toy set according to the present disclosure provides an advantageous effect of assembling more various models because each block of the self-assembly block toy set is capable of interlocking with each other laterally, at right angles along the side of each of the blocks, vertically or in other various ways. In addition, the self-assembly block toy set provides another advantageous effect of stable interlocking between the blocks, thereby constructing firm and various solid shapes by using the blocks when each block of the self-assembly block toy set interlocks with each other laterally, at right angles along the side of each of the blocks, vertically or in other various ways.

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

The above and other features and advantages of the present disclosure will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawing, in which:

FIG. 1 is a perspective view of a square block according to the present disclosure.

FIG. 2 is a top view of the square block according to the present disclosure.

FIG. 3 is a top view of the square block that has a cross axis inserting hole according to the present disclosure.

FIG. 4 is a top view of the square block according to an embodiment of the present disclosure.

FIG. 5 is a top view of the square block according to another embodiment of the present disclosure.

FIG. 6 is a side view of an enneagonal unit formed a second interlocking unit of FIG. 5.

FIG. 7 is a drawing which shows that the square block illustrated in FIG. 5 is capable of interlocking with the other one of the square blocks at various interlocking angles.

FIG. 8 is a perspective view of a pentagonal block according to the present disclosure.

FIG. 9 is a top view of the pentagonal block according to the present disclosure.

FIG. 10 is a perspective view of a triangular block according to the present disclosure.

FIG. 11 is a top view of the triangular block according to the present disclosure.

FIG. 12 is a drawing which shows that the square blocks according to the present disclosure interlock laterally with each other.

FIG. 13 is a drawing which shows that the square blocks according to the present disclosure interlock with each other at right angles along the side of each of the blocks.

FIG. 14 is a drawing which shows that the square blocks according to the present disclosure interlock vertically with each other.

FIG. 15 is a drawing which shows that the square blocks according to the present disclosure interlock with each other at right angles via interlocking unit inserting holes.

FIG. 16 is a drawing which shows that the square blocks according to the present disclosure interlock orthogonally with each other at the center of a side of a main body unit.

FIG. 17 is a drawing which shows that the square block and the pentagonal block according to the present disclosure interlock with each other.

FIG. 18 is a drawing which shows that the square block and the triangular block according to the present disclosure interlock with each other.

FIG. 19 is a drawing which shows the square block, the pentagonal block and the triangular block according to the present disclosure interlock with each other.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The present disclosure will be described more fully hereinafter with reference to the drawings. However, the present disclosure may be embodied in many different forms, and should not be construed as being limited to the embodiments set forth herein.

Embodiment 1

FIG. 1 is a perspective view of a square block according to the present disclosure; FIG. 2 is a top view of the square block according to the present disclosure; and FIG. 3 is a top view of the square block that has a cross axis inserting hole according to the present disclosure.

As illustrated in FIGS. 1 and 2, a self-assembly block toy set according to an embodiment of the present disclosure includes a plurality of square blocks 100, wherein the square block 100 includes:

a main body unit 110 that assumes the shape of a square prism with specific height;

a first interlocking unit 120 that is formed on one side of the outer surface of each side of the main body unit 110;

a second interlocking unit 130 that is formed on the other side of the outer surface of each side of the main body unit 110;

a plurality of vertical interlocking protuberances 140 that are formed on the top surface of the main body unit 110;

a plurality of vertical interlocking slots 150 that are formed on the bottom surface of the main body unit 110;

a cross axis inserting hole 160 that is formed at the center of the main body unit 110;

a plurality of interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160; and

a straight line slot 180 that is elongated inside the main body unit 110 along the edge of the main body unit 110 on the top surface and the bottom surface of the main body unit 110.

The first interlocking unit 120 includes:

a II-shaped interlocking tip 121, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 could be inserted thereinto;

slots 122 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 121; and

protuberances 123 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 121.

In addition, the second interlocking unit 130 includes:

an H-shaped interlocking tip 131 that could be inserted into the first interlocking unit 120 of the other one of the square blocks 100; and

protuberances 132 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip 131.

Meanwhile, the first interlocking unit 120 and the second interlocking unit 130 of one of the square blocks 100 interlocks with the second interlocking unit 130 and the first interlocking unit 120, respectively, of the other one of the square blocks 100 so that the other square block could rotate on the slot 122 and the protuberance 132 when the protuberance 132 of the second interlocking unit 130 is inserted in the slot 122 of the first interlocking unit 120.

The vertical interlocking protuberances 140 are a plurality of small cylindrical protuberances that are arranged in a symmetrical way and extended from the top surface of the main body unit 110 at the center of the top surface while the vertical interlocking slots 150 are a plurality of small cylindrical slots arranged in a symmetrical way and depressed from the bottom surface of the main body unit 110 at the center of the bottom surface so that the vertical interlocking protuberances 140 of the other one of the square blocks 100 could fit thereinto.

The cross axis inserting hole 160 assumes the shape of a cross or a cylinder when it is formed at the center of the main body unit 110. A cross axis 400, separate from the square block 100, is inserted into the cross axis inserting hole 160. If the cross axis inserting hole 160 forms a cross, the cross axis 400 rotates together with the square block 100 when the cross axis 400 is inserted into the cross axis inserting hole 160 and rotates while if the cross axis inserting hole 160 forms a cylinder, only the cross axis 400 rotates and the square block 100 does not even when the cross axis 400 is inserted into the cross axis inserting hole 160 and rotates.

The interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160 have a structure into which the interlocking tip 121 of the first interlocking unit 120 and the interlocking tip 131 of the second interlocking unit 130 of the other one of the square blocks 100 could be inserted at right angles and include a plurality of square inserting holes 171 into which the interlocking tip 121 of the first interlocking unit 120 of the other one of the square blocks 100 could be inserted and a plurality of X-shaped inserting holes 172 into which the interlocking tip 131 of the second interlocking unit 130 of the other one of the square blocks 100 could be inserted.

The protuberances 123, 132 are formed on the outer surface of the interlocking tips 121, 131 so that the interlocking tips 121, 131 could be inserted elastically into the interlocking unit inserting holes 170 at right angles.

Three of the interlocking unit inserting holes 170 could be aligned above the cross axis inserting hole 160, each one, on the left and right, respectively, of the cross axis inserting hole 160 and three, beneath the cross axis inserting hole 160, thereby forming a grid while the first interlocking unit 120 and the second interlocking unit 130 of the other one of the square blocks 100 could be inserted, in six modes, into the grid-formed interlocking unit inserting holes 170. (Refer to FIG. 15.)

The interlocking unit inserting hole 170 could have an inserting slot 173 on its top, bottom, left and right side, respectively, so that the first interlocking unit 120 and the second interlocking unit 130 of the other one of the square blocks 100 are easily inserted into and elastically combined with the interlocking unit inserting hole 170.

The main body unit 110 includes, at the center of the outer surface of each side thereof, a third interlocking unit 190 which has an interlocking tip 191, whose two leaves are extended in a symmetrical way with a gap in between so that a side of the main body unit 110 of another square block 100 could be inserted thereinto at right angles, wherein the interlocking tip 191 of the third interlocking unit 190 is shorter than the interlocking tip 121, 131 of the first and second interlocking unit 120, 130 and has protuberances 192 on its inner surface, wherein one of the protuberances 192 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface.

A side surface orthogonal interlocking slot 181 is formed on the straight line slot 180, away from the center of the straight line slot 180 in one direction, of each side of the top surface of the main body unit 110 while the side surface orthogonal interlocking slot 181 is formed on the straight line slot 180, away from the center of the straight line slot 180 in the other direction, of each side of the bottom surface of the main body unit 110.

When a side of the main body unit 110 of one of the square blocks 100 interlocks orthogonally with a side of the main body unit 110 of the other one of the square blocks 100, one of the the protuberances 192 formed on the inner surface of the interlocking tip 191 of the third interlocking unit 190 of the one square block 100 is inserted into the side surface orthogonal interlocking slot 181 of the top surface of the main body unit 110 of the other square block 100 while the other protuberance 192 is inserted into the side surface orthogonal interlocking slot 181 of the bottom surface of the main body unit 110 of the other of the square block 100. Therefore, the sides stably interlock with each other at right angles at the center of the side between the square blocks 100.

Embodiment 2

FIG. 4 is a top view of the square block according to an embodiment of the present disclosure. The second interlocking unit 130 includes an I-shaped interlocking tip 133 that could be inserted into the first interlocking unit 120 of the other one of the square blocks 100 and protuberances 134 that are formed in a symmetrical way on the outer wall the I-shaped interlocking tip 133. Embodiment 2 is identical to Embodiment 1 except some modification in the content corresponding to that of Embodiment 1, as explained above.

Embodiment 3

FIG. 5 is a top view of the square block according to another embodiment of the present disclosure, FIG. 6 is a side view of an enneagonal unit formed a second interlocking unit of FIG. 5 and FIG. 7 is a drawing which shows that the square block illustrated in FIG. 5 is capable of interlocking with another one of the square blocks at various interlocking angles.

As illustrated in FIG. 5, the first interlocking unit 120 includes a II-shaped interlocking tip 124, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 could be inserted thereinto, protuberances 125 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 124 and protuberances 126 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 124.

The second interlocking unit 130 includes an I-shaped interlocking tip 135 that could be inserted into the first interlocking unit 120 of the other one of the square blocks 100 and has an enneagonal unit 136 at the front end in the vertical direction and slots 137 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 135.

A dihedral angle is defined as the angle between two intersecting semiplanes that shares a boundary. The enneagonal unit 136 is materialized, as illustrated in FIG. 6, by drawing a main circular sector, whose central angle is 270 degrees and whose center is at the center of the front end of the I-shaped interlocking tip 135, keeping the main sector plane vertically upright, dividing the main sector into nine circular subsectors whose central angles are identically 30 degrees and then flattening, with line segments, the nine subarcs.

The enneagonal unit 136 formed at the front end of the I-shaped interlocking tip 135 of the second interlocking unit 130 engages with the inner wall, where the protuberance 125 is not placed, of the II-shaped interlocking tip 124 of the first interlocking unit 120 when the protuberance 125 of the first interlocking unit 120 is inserted into the slot 137 of the second interlocking unit 130.

Therefore, when the first interlocking unit 120 and the second interlocking unit 130 of one of the square block 100 engages with the second interlocking unit 130 and the first interlocking unit 120, respectively, of the other one of the square blocks 100, each of the square blocks 100 is capable of not only fully rotating at one time but partially rotating by 30 degrees with stops.

In addition, as illustrated in FIG. 7, when the first interlocking unit 120 and the second interlocking unit 130 of one of the square blocks 100 engages with the second interlocking unit 130 and the first interlocking unit 120, respectively, of the other one of the square blocks 100, the square blocks 100 are capable of interlocking with each other at various interlocking angles. Embodiment 3 is identical to Embodiment 1 except some modification in the content corresponding to that of Embodiment 1, as explained above.

Embodiment 4

FIG. 8 is a perspective view of a pentagonal block according to the present disclosure and FIG. 9 is a top view of the pentagonal block according to the present disclosure. The self-assembly block toy set according to the present disclosure could further include the pentagonal blocks 200 that are capable of interlocking with the square block 100, as illustrated in FIGS. 8 and 9.

The pentagonal block 200 includes:

a main body unit 210 that assumes the shape of a regular pentagonal prism with specific height;

a first interlocking unit 220 that is formed on one side of the outer surface of each side of the main body unit 210;

a second interlocking unit 230 that is formed on the other side of the outer surface of each side of the main body unit 210;

a plurality of vertical interlocking protuberances 240 that are formed on the top surface of the main body unit 210;

a plurality of vertical interlocking slots 250 that are formed on the bottom surface of the main body unit 210;

a cross axis inserting hole 260 that is formed at the center of the main body unit 210;

a plurality of interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260; and

a straight line slot 280 that is elongated inside the main body unit 210 along the edge of the main body unit 210 on the top surface and the bottom surface of the main body unit 210.

The first interlocking unit 220 includes:

a II-shaped interlocking tip 221, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal blocks 200 could be inserted thereinto;

slots 222 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 221; and

protuberances 223 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 221.

The second interlocking unit 230 includes:

an H-shaped interlocking tip 231 that could be inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200; and

protuberances 232 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip 231.

The blocks could rotate when the first interlocking unit 220 and the second interlocking unit 230 of one of the pentagonal block 200 interlocks with the second interlocking unit 130, 230 and the first interlocking unit 120, 220, respectively, of the other one of the square blocks 100 or the other one of the pentagonal blocks 200.

The vertical interlocking protuberances 240 are a plurality of small cylindrical protuberances that are arranged in a symmetrical way and extended from the top surface of the main body unit 210 at the center of the top surface while the vertical interlocking slots 250 are a plurality of small cylindrical slots arranged in a symmetrical way and depressed from the bottom surface of the main body unit 210 at the center of the bottom surface so that the vertical interlocking protuberances 140, 240 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could fit thereinto.

The cross axis inserting hole 260 assumes the shape of a cross or a cylinder when it is formed at the center of the main body unit 210. A cross axis 400, separate from the pentagonal block 200, is inserted into the cross axis inserting hole 260. If the cross axis inserting hole 260 forms a cross, the cross axis 400 rotates together with the pentagonal block 200 when the cross axis 400 is inserted into the cross axis inserting hole 260 and rotates while if the cross axis inserting hole 260 forms a cylinder, only the cross axis 400 rotates and the pentagonal block 200 does not even when the cross axis 400 is inserted into the cross axis inserting hole 260 and rotates. (Refer to FIG. 3.)

When the cross axis 400 is inserted into the cross axis inserting hole 260 of the pentagonal block 200, not only the pentagonal block 200 but the square block 100, at the same time, is capable of being inserted into the cross axis 400.

The interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260 have a structure into which the interlocking tip 121, 221 of the first interlocking unit 120, 220 and the interlocking tip 131, 231 of the second interlocking unit 130, 239 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted at right angles and include a plurality of square inserting holes 271 into which the interlocking tip 121, 221 of the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks could be inserted and a plurality of X-shaped inserting holes 272 into which the interlocking tip 131, 231 of the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted.

Three of the interlocking unit inserting holes 270 could be aligned above the cross axis inserting hole 260, each one, on the left and right, respectively, of the cross axis inserting hole 260 and three, beneath the cross axis inserting hole 260, thereby forming a grid while the first interlocking unit 120, 220 and the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted, in six modes, into the grid-formed interlocking unit inserting holes 270. (Refer to FIG. 15.)

The interlocking unit inserting hole 270 could have an inserting slot 273 on its top, bottom, left and right side, respectively, so that the first interlocking unit 120, 200 and the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 are easily inserted into and elastically combined with the interlocking unit inserting hole 170.

The main body unit 210 includes, at the center of the outer surface of each side thereof, a third interlocking unit 290 which has an interlocking tip 291, whose two leaves are extended with a gap in between so that a side of the main body unit 110, 210 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 could be inserted thereinto at right angles, wherein the interlocking tip 291 of the third interlocking unit 290 is shorter than the interlocking tip 221, 231 of the first and second interlocking unit 220, 230 and has protuberances 292 on its inner surface, wherein one of the protuberances 292 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface.

A side surface orthogonal interlocking slot 281 is formed on the straight line slot 280, away from the center of the straight line slot 280 in one direction, of each side of the top surface of the main body unit 210 while the side surface orthogonal interlocking slot 281 is formed on the straight line slot 280, away from the center of the straight line slot 280 in the other direction, of each side of the bottom surface of the main body unit 210.

When a side of the main body unit 210 of one of the pentagonal blocks 200 interlocks orthogonally with a side of the main body unit 110, 210 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200, one of the the protuberances 292 formed on the inner surface of the interlocking tip 291 of the third interlocking unit 290 of the one pentagonal block 200 is inserted into the side surface orthogonal interlocking slot 181, 281 of the top surface of the main body unit 110, 210 of the other square block 100 or the other pentagonal block 200 while the other protuberance 292 is inserted into the side surface orthogonal interlocking slot 181, 281 of the bottom surface of the main body unit 110, 210 of the other square block 100 or the other pentagonal block 200. Therefore, the sides stably interlock with each other at right angles at the center of the side between the square blocks 100 or the pentagonal blocks 200.

Embodiment 5

The second interlocking unit 230 of the pentagonal block 200 could include an I-shaped interlocking tip 233 that could be inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 and protuberances 234 that are formed in a symmetrical way on the outer wall the I-shaped interlocking tip 233. (Refer to FIG. 4.) Embodiment 5 is identical to Embodiment 4 except some modification in the content corresponding to that of Embodiment 4, as explained above.

Embodiment 6

The first interlocking unit 220 of the pentagonal block 200 could include:

a II-shaped interlocking tip 221, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal blocks 200 could be inserted thereinto;

protuberances 225 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 221; and

protuberances 226 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 221.

The second interlocking unit 230 could include:

an I-shaped interlocking tip 235 that could be inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 and has an enneagonal unit 236 at the front end in the vertical direction; and slots 237 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 235. (Refer to FIG. 5.)

The enneagonal unit 236 is materialized by drawing a main circular sector, whose central angle is 270 degrees and whose center is at the center of the front end of the I-shaped interlocking tip 235, keeping the main sector plane vertically upright, dividing the main sector into nine circular subsectors whose central angles are identically 30 degrees and then flattening, with line segments, the nine subarcs. (Refer to FIG. 6.) The enneagonal unit 236 formed at the front end of the I-shaped interlocking tip 235 of the second interlocking unit 230 engages with the inner wall, where the protuberance 225 is not placed, of the II-shaped interlocking tip 224 of the first interlocking unit 220 when the protuberance 225 of the first interlocking unit 220 is inserted into the slot 237 of the second interlocking unit 230.

Therefore, when the first interlocking unit 220 and the second interlocking unit 230 of one of the pentagonal block 200 engages with the second interlocking unit 130, 230 and the first interlocking unit 120, 220, respectively, of the other one of the square blocks 100 or the other one of the pentagonal blocks 200, each of the blocks is capable of not only fully rotating at one time but partially rotating by 30 degrees with stops.

In addition, when the first interlocking unit 220 and the second interlocking unit 230 of one of the pentagonal blocks 200 engages with the second interlocking unit 130, 230 and the first interlocking unit 120, 220, respectively, of the other one of the square blocks 100 or the other one of the pentagonal blocks 200, one of the square blocks 100 or one of the pentagonal blocks 200 is capable of interlocking with the other one of the pentagonal blocks 200 at various interlocking angles. (Refer to FIG. 7.) Embodiment 6 is identical to Embodiment 4 except some modification in the content corresponding to that of Embodiment 4, as explained above.

Embodiment 7

FIG. 10 is a perspective view of a triangular block according to the present disclosure and FIG. 11 is a top view of the triangular block according to the present disclosure. The self-assembly block toy set according to the present disclosure could further include the triangular blocks 300 that are capable of interlocking with the square block 100 or the pentagonal block 200, as illustrated in FIGS. 10 and 11.

The triangular block 300 includes:

a main body unit 310 that assumes the shape of a regular triangular prism with specific height;

a first interlocking unit 320 that is formed on one side of the outer surface of each side of the main body unit 310;

a second interlocking unit 330 that is formed on the other side of the outer surface of each side of the main body unit 310;

a plurality of vertical interlocking protuberances 340 that are formed on the top surface of the main body unit 310;

a plurality of vertical interlocking slots 350 that are formed on the bottom surface of the main body unit 310;

a cross axis inserting hole 360 that is formed at the center of the main body unit 310; and

a straight line slot 370 that is elongated inside the main body unit 310 along the edge of the main body unit 310 on the top surface and the bottom surface of the main body unit 310.

The first interlocking unit 320 includes:

a II-shaped interlocking tip 321, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto;

slots 322 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 321; and

protuberances 323 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 321.

The second interlocking unit 330 includes:

an H-shaped interlocking tip 331 that could be inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300; and

protuberances 332 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip 331.

The blocks could rotate when the first interlocking unit 320 and the second interlocking unit 330 of one of the triangular block 300 interlocks with the second interlocking unit 130, 230, 330 and the first interlocking unit 120, 220, 320, respectively, of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300.

The vertical interlocking protuberances 340 are a plurality of small cylindrical protuberances that are arranged in a symmetrical way and extended from the top surface of the main body unit 310 at the center of the top surface while the vertical interlocking slots 350 are a plurality of small cylindrical slots arranged in a symmetrical way and depressed from the bottom surface of the main body unit 310 at the center of the bottom surface so that the vertical interlocking protuberances 340 of the other one of the triangular blocks 300 could fit thereinto.

The cross axis inserting hole 360 assumes the shape of a cross or a cylinder when it is formed at the center of the main body unit 310. A cross axis 400, separate from the triangular block 300, is inserted into the cross axis inserting hole 360. If the cross axis inserting hole 360 forms a cross, the cross axis 400 rotates together with the triangular block 300 when the cross axis 400 is inserted into the cross axis inserting hole 360 and rotates while if the cross axis inserting hole 360 forms a cylinder, only the cross axis 400 rotates and the triangular block 300 does not even when the cross axis 400 is inserted into the cross axis inserting hole 360 and rotates.

When the cross axis 400 is inserted into the cross axis inserting hole 360 of the triangular block 300, not only the triangular block 300 but the square block 100 and the pentagonal block 300, at the same time, are capable of being inserted into the cross axis 400.

The main body unit 310 includes, at the center of the outer surface of each side thereof, a third interlocking unit 380 which has an interlocking tip 381, whose two leaves are extended with a gap in between so that a side of the main body unit 110, 210, 310 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto at right angles, wherein the interlocking tip 381 of the third interlocking unit 380 is shorter than the interlocking tip 321, 331 of the first and second interlocking unit 320, 330 and has protuberances 382 on its inner surface, wherein one of the protuberances 382 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface.

A side surface orthogonal interlocking slot 371 is formed on the straight line slot 370, away from the center of the straight line slot 370 in one direction, of each side of the top surface of the main body unit 310 while the side surface orthogonal interlocking slot 371 is formed on the straight line slot 370, away from the center of the straight line slot 370 in the other direction, of each side of the bottom surface of the main body unit 310.

When a side of the main body unit 310 of one of the triangular blocks 300 interlocks orthogonally with a side of the main body unit 110, 210, 310 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300, one of the protuberances 382 formed on the inner surface of the interlocking tip 381 of the third interlocking unit 380 of the one triangular block 300 is inserted into the side surface orthogonal interlocking slot 181, 281, 371 of the top surface of the main body unit 110, 210, 310 of the other square block 100, the other pentagonal block 200 or the other triangular block 300 while the other protuberance 382 is inserted into the side surface orthogonal interlocking slot 181, 281, 371 of the bottom surface of the main body unit 110, 210, 310 of the other square block 100, the other pentagonal block 200 or the other triangular block 300. Therefore, the sides stably interlock with each other at right angles at the center of the side between the square blocks 100, the pentagonal blocks 200 or the triangular blocks 300.

Embodiment 8

The second interlocking unit 230 of the triangular block 300 could include an I-shaped interlocking tip 333 that could be inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks or the other one of the triangular blocks 300, and protuberances 334 that are formed in a symmetrical way on the outer wall the I-shaped interlocking tip 333. (Refer to FIG. 4.) Embodiment 8 is identical to Embodiment 7 except some modification in the content corresponding to that of Embodiment 7, as explained above.

Embodiment 9

The first interlocking unit 320 of the triangular block 300 could include:

a II-shaped interlocking tip 324, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 could be inserted thereinto;

protuberances 325 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 324; and

protuberances 326 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 324.

The second interlocking unit 330 could include:

an I-shaped interlocking tip 335 that could be inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 and has an enneagonal unit 336 at the front end in the vertical direction; and

slots 337 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip 335. (Refer to FIG. 5.)

The enneagonal unit 336 is materialized by drawing a main circular sector, whose central angle is 270 degrees and whose center is at the center of the front end of the I-shaped interlocking tip 335, keeping the main sector plane vertically upright, dividing the main sector into nine circular subsectors whose central angles are identically 30 degrees and then flattening, with line segments, the nine subarcs. (Refer to FIG. 6.)

The enneagonal unit 336 formed at the front end of the I-shaped interlocking tip 335 of the second interlocking unit 330 engages with the inner wall, where the protuberance 325 is not placed, of the II-shaped interlocking tip 324 of the first interlocking unit 320 when the protuberance 325 of the first interlocking unit 320 is inserted into the slot 337 of the second interlocking unit 330.

Therefore, when the first interlocking unit 320 and the second interlocking unit 330 of one of the triangular block 300 engages with the second interlocking unit 130, 230, 330 and the first interlocking unit 120, 220, 320, respectively, of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300, each of the blocks is capable of not only fully rotating at one time but partially rotating by 30 degrees with stops.

In addition, when the first interlocking unit 320 and the second interlocking unit 330 of one of the triangular blocks 300 engages with the second interlocking unit 130, 230, 330 and the first interlocking unit 120, 220, 320, respectively, of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300, one of the square blocks 100, one of the pentagonal blocks 200 or one of the triangular blocks 300 is capable of interlocking with the other one of the pentagonal blocks 200 at various interlocking angles. (Refer to FIG. 7.) Embodiment 9 is identical to Embodiment 7 except some modification in the content corresponding to that of Embodiment 7, as explained above.

Methods for interlocking the square, pentagonal and triangular blocks with each other according to the present disclosure are described below.

FIG. 12 is a drawing which shows that the square blocks according to the present disclosure interlock laterally with each other, FIG. 13 is a drawing which shows that the square blocks according to the present disclosure interlock with each other at right angles along the side of each of the blocks, FIG. 14 is a drawing which shows that the square blocks according to the present disclosure interlock vertically with each other,

FIG. 15 is a drawing which shows that the square blocks according to the present disclosure interlock with each other at right angles via interlocking unit inserting holes,

FIG. 16 is a drawing which shows that the square blocks according to the present disclosure interlock with each other at right angles at the center of the side, FIG. 17 is a drawing which shows that the square block and the pentagonal block according to the present disclosure interlock with each other, FIG. 18 is a drawing which shows that the square block and the triangular block according to the present disclosure interlock with each other and FIG. 19 is a drawing which shows the square block, the pentagonal block and the triangular block according to the present disclosure interlock with each other.

The square blocks according to the present disclosure interlock laterally with each other when, as illustrated in FIG. 12, the first interlocking unit 120 and the second interlocking unit 130 of one of the square blocks 100 interlocks laterally with the second interlocking unit 130 and the first interlocking unit 120, respectively, of the other one of the square blocks 100.

The square blocks according to the present disclosure interlock with each other at right angles along the side of each of the blocks when, as illustrated in FIG. 13, the first interlocking unit 120 and the second interlocking unit 130 of one of the square blocks 100 interlocks with the second interlocking unit 130 and the first interlocking unit 120, respectively, at right angles, of the other one of the square blocks 100.

The square blocks could rotate when the first interlocking unit 120 and the second interlocking unit 130 of one of the square blocks 100 interlocks with the second interlocking unit 130 and the first interlocking unit 120, respectively, of the other one of the square blocks 100.

The square blocks according to the present disclosure interlock vertically with each other, or stack up, when, as illustrated in FIG. 14, the vertical interlocking protuberance 140 of the top surface of one of the square blocks 100 is inserted into the vertical interlocking slot 150 of the bottom surface of the other one of the square blocks 100. Therefore, the square blocks 100 can stack vertically up highly by repeating the method of inserting the vertical interlocking protuberance 140 of one of the square blocks 100 into the vertical interlocking slot 150 of the other one of the square blocks 100.

The square blocks according to the present disclosure interlock with each other at right angles via interlocking unit inserting holes when, as illustrated in FIG. 15, the interlocking tip 121 of the first interlocking unit 120 and the interlocking tip 131 of the second interlocking unit 130 of one of the square blocks 100 are inserted, at right angles, into the interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160, wherein three of the interlocking unit inserting holes 170 could be aligned above the cross axis inserting hole 160, each one, on the left and right, respectively, of the cross axis inserting hole 160 and three, beneath the cross axis inserting hole 160, thereby forming a grid while the first interlocking unit 120 and the second interlocking unit 130 of the other one of the square blocks 100 could be inserted, in six modes, into the grid-formed interlocking unit inserting holes 170.

The square blocks according to the present disclosure interlock orthogonally with each other at the center of a side of the main body unit when, as illustrated in FIG. 16, the third interlocking unit 190 of the side of the main body unit 110 of one of the square blocks 100 interlocks orthogonally with the third interlocking unit 130 of the side of the main body unit 110 of the other one of the square blocks 100, wherein, when a side of the main body unit 110 of one of the square blocks 100 interlocks orthogonally with a side of the main body unit 110 of the other one of the square block 100 s, one of the the protuberances 192 formed on the inner surface of the interlocking tip 191 of the third interlocking unit 190 of the one square block 100 is inserted into the side surface orthogonal interlocking slot 181 of the top surface of the main body unit 110 of the other square block 100 while the other protuberance 192 is inserted into the side surface orthogonal interlocking slot 181 of the bottom surface of the main body unit 110 of the other of the square block 100. Therefore, the sides stably interlock with each other at right angles at the center of the side between the square blocks 100.

The square blocks and the pentagonal blocks according to the present disclosure interlock with each other when, as illustrated in FIG. 17, the square blocks and the pentagonal blocks interlock with each other laterally, at right angles along the side of each of the blocks, vertically, vertically via their interlocking unit inserting holes or orthogonally at the center of the side.

The square blocks and the triangular blocks according to the present disclosure interlock with each other when, as illustrated in FIG. 18, the square blocks and the triangular blocks interlock with each other laterally, at right angles along the side of each of the blocks or orthogonally at the center of the side.

The square, pentagonal and triangular blocks according to the present disclosure interlock with each other when, as illustrated in FIG. 19, the square blocks and the pentagonal blocks interlock with each other laterally, at right angles along the side of each of the blocks, vertically, vertically via their interlocking unit inserting holes or orthogonally at the center of the side, and when the square blocks and the triangular blocks interlock with each other laterally, at right angles along the side of each of the blocks or orthogonally at the center of the side, or when the cross axis is inserted.

As described thus far, the self-assembly block toy set according to the present disclosure is capable of assembling various shapes via interlocking between the square, pentagonal and triangular blocks and interlocking by means of the cross axis. According to the identical technological thought, hexagonal and octagonal blocks could be included in the present disclosure.

REFERENCE CHARACTERS

-   100: Square block -   110: Main body unit -   120: First interlocking unit -   121: II-shaped interlocking tip -   122: Slot -   123: Protuberance -   124: II-shaped interlocking tip -   125: Protuberance -   126: Protuberance -   130: Second interlocking unit -   131: H-shaped interlocking tip -   132: Protuberance -   133: I-shaped interlocking tip -   134: Protuberance -   135: I-shaped interlocking tip -   136: Enneagonal unit -   137: Slot -   140: Vertical interlocking protuberance -   150: Vertical interlocking slot -   160: Cross axis inserting hole -   170: Interlocking unit inserting hole -   171: Square inserting hole -   172: X-shaped inserting hole -   173: Inserting slot -   180: Straight line slot -   181: Side surface orthogonal interlocking slot -   190: Third interlocking unit -   191: Interlocking tip -   192: Protuberance -   200: Pentagonal block -   210: Main body unit -   220: First interlocking unit -   221: II-shaped interlocking tip -   222: Slot -   223: Protuberance -   224: II-shaped interlocking tip -   225: Protuberance -   226: Protuberance -   230: Second interlocking unit -   231: H-shaped interlocking tip -   232: Protuberance -   233: I-shaped interlocking tip -   234: Protuberance -   235: I-shaped interlocking tip -   236: Enneagonal unit -   237: Slot -   240: Vertical interlocking protuberance -   250: Vertical interlocking slot -   260: Cross axis inserting hole -   270: Interlocking unit inserting hole -   271: Square inserting hole -   272: X-shaped inserting hole -   273: Inserting slot -   280: Straight line slot -   281: Side surface orthogonal interlocking slot -   290: Third interlocking unit -   291: Interlocking tip -   292: Protuberance -   300: Triangular block -   310: Main body unit -   320: First interlocking unit -   321: II-shaped interlocking tip -   322: Slot -   232: Protuberance -   324: II-shaped interlocking tip -   325: Protuberance -   326: Protuberance -   330: Second interlocking unit -   331: II-shaped interlocking tip -   332: Protuberance -   333: I-shaped interlocking tip -   334: Protuberance -   335: I-shaped interlocking tip -   336: Enneagonal unit -   337: Slot -   340: Vertical interlocking protuberance -   350: Vertical interlocking slot -   360: Cross axis inserting hole -   370: Straight line slot -   371: Side surface orthogonal interlocking slot -   380: Third interlocking unit -   381: Interlocking tip -   382: Protuberance -   400: Cross axis 

1-14. (canceled)
 15. A self-assembly block toy set comprising: a plurality of square blocks 100 wherein the square block 100 includes: a main body unit 110 that assumes the shape of a square prism with specific height; a first interlocking unit 120 that is formed on one side of the outer surface of each side of the main body unit 110; a second interlocking unit 130 that is formed on the other side of the outer surface of each side of the main body unit 110; a plurality of vertical interlocking protuberances 140 that are formed on the top surface of the main body unit 110; a plurality of vertical interlocking slots 150 that are formed on the bottom surface of the main body unit 110; a cross axis inserting hole 160 that is formed at the center of the main body unit 110; a plurality of interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160; and a straight line slot 180 that is elongated inside the main body unit 110 along the edge of the main body unit 110 on the top surface and the bottom surface of the main body unit
 110. 16. The self-assembly block toy set of claim 15 wherein the first interlocking unit 120 includes: a II-shaped interlocking tip 121, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 is inserted thereinto; slots 122 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 121; and protuberances 123 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 121; and wherein the second interlocking unit 130 includes: an H-shaped interlocking tip 131 that is inserted into the first interlocking unit 120 of the other one of the square blocks 100; and protuberances 132 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip
 131. 17. The self-assembly block toy set of claim 15 wherein the first interlocking unit 120 includes: a II-shaped interlocking tip 124, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 is inserted thereinto; slots 122 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 121; and protuberances 123 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 121; and wherein the second interlocking unit 130 includes: an I-shaped interlocking tip 133 that is inserted into the first interlocking unit 120 of the other one of the square blocks 100; and protuberances 134 that are formed in a symmetrical way at the outer wall of the I-shaped interlocking tip
 133. 18. The self-assembly block toy set of claim 15 wherein the first interlocking unit 120 includes: a II-shaped interlocking tip 124, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130 of the other one of the square blocks 100 is inserted thereinto; protuberances 125 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 124; and protuberances 126 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 124; and wherein the second interlocking unit 130 includes: an I-shaped interlocking tip 135 that is inserted into the first interlocking unit 120 of the other one of the square blocks 100 and has an enneagonal unit 136 at the front end in the vertical direction; and slots 137 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip
 135. 19. The self-assembly block toy set of claim 15 wherein the interlocking unit inserting holes 170 formed in the main body unit 110 save for the cross axis inserting hole 160 have a structure into which the interlocking tip 121, 124 of the first interlocking unit 120 and the interlocking tip 131, 133, 135 of the second interlocking unit 130 of the other one of the square blocks 100 are inserted at right angles and include a plurality of square inserting holes 171 into which the interlocking tip 121, 124 of the first interlocking unit 120 of the other one of the square blocks 100 is inserted and a plurality of X-shaped inserting holes 172 into which the interlocking tip 131, 133, 135 of the second interlocking unit 130 of the other one of the square blocks 100 is inserted.
 20. The self-assembly block toy set of claim 15 wherein the main body unit 110 includes, at the center of the outer surface of each side thereof, a third interlocking unit 190 which has an interlocking tip 191, whose two leaves are extended in a symmetrical way with a gap in between so that a side of the main body unit 110 of the other one of the square blocks 100 is inserted thereinto at right angles, wherein the interlocking tip 191 of the third interlocking unit 190 is shorter than the interlocking tip 121, 131 of the first and second interlocking unit 120, 130 and has protuberances 192 on its inner surface, wherein one of the protuberances 192 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface; a side surface orthogonal interlocking slot 181 is formed on the straight line slot 180, away from the center of the straight line slot 180 in one direction, of each side of the top surface of the main body unit 110 while the side surface orthogonal interlocking slot 181 is formed on the straight line slot 180, away from the center of the straight line slot 180 in the other direction, of each side of the bottom surface of the main body unit 110; and, when a side of the main body unit 110 of one of the square blocks 100 interlocks orthogonally with a side of the main body unit 110 of the other one of the square block 100, one of the the protuberances 192 formed on the inner surface of the interlocking tip 191 of the third interlocking unit 190 of the one square block 100 is inserted into the side surface orthogonal interlocking slot 181 of the top surface of the main body unit 110 of the other square block 100 while the other protuberance 192 is inserted into the side surface orthogonal interlocking slot 181 of the bottom surface of the main body unit 110 of the other square block
 100. 21. The self-assembly block toy set of claim 15, further comprising a plurality of pentagonal blocks 200 wherein the pentagonal block 200 includes: a main body unit 210 that assumes the shape of a regular pentagonal prism with specific height; a first interlocking unit 220 that is formed on one side of the outer surface of each side of the main body unit 210; a second interlocking unit 230 that is formed on the other side of the outer surface of each side of the main body unit 210; a plurality of vertical interlocking protuberances 240 that are formed on the top surface of the main body unit 210; a plurality of vertical interlocking slots 250 that are formed on the bottom surface of the main body unit 210; a plurality of cross axis inserting hole 260 that is formed at the center of the main body unit 210; a plurality of interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260; and a straight line slot 280 that is elongated inside the main body unit 210 along the edge of the main body unit 210 on the top surface and the bottom surface of the main body unit
 210. 22. The self-assembly block toy set of claim 21 wherein the first interlocking unit 220 includes: a II-shaped interlocking tip 221, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal blocks 200 is inserted thereinto; slots 222 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 221; and protuberances 223 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 221; wherein the second interlocking unit 230 includes: an H-shaped interlocking tip 231 that is inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200; and protuberances 232 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip
 231. 23. The self-assembly block toy set of claim 21 wherein the first interlocking unit 220 includes: a II-shaped interlocking tip 221, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal block 200 is inserted thereinto; slots 222 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 221; and protuberances 223 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 221; and wherein the second interlocking unit 230 includes: an I-shaped interlocking tip 233 that is inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200; and protuberances 234 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip
 233. 24. The self-assembly block toy set of claim 21 wherein the first interlocking unit 220 includes: a II-shaped interlocking tip 224, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230 of the other one of the square blocks 100 or pentagonal blocks 200 is inserted thereinto; protuberances 225 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 224; and protuberances 226 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 224; and wherein the second interlocking unit 230 includes: an I-shaped interlocking tip 235 that is inserted into the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 and has an enneagonal unit 236 at the front end in the vertical direction; and slots 237 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip
 235. 25. The self-assembly block toy set of claim 21 wherein the interlocking unit inserting holes 270 formed in the main body unit 210 save for the cross axis inserting hole 260 have a structure into which the interlocking tip 121, 124, 221, 224 of the first interlocking unit 120, 220 and the interlocking tip 131, 133, 135, 231, 233, 235 of the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 are inserted at right angles and include a plurality of square inserting holes 271 into which the interlocking tip 121, 124, 221, 224 of the first interlocking unit 120, 220 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 is inserted and a plurality of X-shaped inserting holes 272 into which the interlocking tip 131, 133, 135, 231, 233, 235 of the second interlocking unit 130, 230 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 is inserted.
 26. The self-assembly block toy set of claim 21 wherein the main body unit 210 includes, at the center of the outer surface of each side thereof, a third interlocking unit 290 which has an interlocking tip 291, whose two leaves are extended with a gap in between so that a side of the main body unit 110, 210 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200 is inserted there into at right angles, wherein the interlocking tip 291 of the third interlocking unit 290 is shorter than the interlocking tip 221, 224, 231, 235 of the first and second interlocking unit 220, 230 and has protuberances 292 on its inner surface, wherein one of the protuberances 292 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface; a side surface orthogonal interlocking slot 281 is formed on the straight line slot 280, away from the center of the straight line slot 280 in one direction, of each side of the top surface of the main body unit 210 while the side surface orthogonal interlocking slot 281 is formed on the straight line slot 280, away from the center of the straight line slot 280 in the other direction, of each side of the bottom surface of the main body unit 210; and, when a side of the main body unit 210 of one of the pentagonal blocks 200 interlocks orthogonally with a side of the main body unit 110, 210 of the other one of the square blocks 100 or the other one of the pentagonal blocks 200, one of the the protuberances 292 formed on the inner surface of the interlocking tip 291 of the third interlocking unit 290 of the one pentagonal block 200 is inserted into the side surface orthogonal interlocking slot 181, 281 of the top surface of the main body unit 110, 210 of the other square block 100 or the other pentagonal block 200 while the other protuberance 292 is inserted into the side surface orthogonal interlocking slot 181, 281 of the bottom surface of the main body unit 110, 210 of the other square block 100 or the other pentagonal block
 200. 27. The self-assembly block toy set of claim 15, further comprising a plurality of triangular blocks 300 wherein the triangular block 300 includes: a main body unit 310 that assumes the shape of a regular triangular prism with specific height; a first interlocking unit 320 that is formed on one side of the outer surface of each side of the main body unit 310; a second interlocking unit 330 that is formed on the other side of the outer surface of each side of the main body unit 310; a plurality of vertical interlocking protuberances 340 that are formed on the top surface of the main body unit 310; a plurality of vertical interlocking slots 350 that are formed on the bottom surface of the main body unit 310; a cross axis inserting hole 360 that is formed at the center of the main body unit 310; and a straight line slot 370 that is elongated inside the main body unit 310 along the edge of the main body unit 310 on the top surface and the bottom surface of the main body unit
 310. 28. The self-assembly block toy set of claim 27 wherein the first interlocking unit 320 includes: a II-shaped interlocking tip 321, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 is inserted thereinto; slots 322 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 321; and protuberances 323 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 321; and wherein the second interlocking unit 330 includes: an H-shaped interlocking tip 331 that is inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300; and protuberances 332 that are formed in a symmetrical way at the outer top end of each leaf of the H-shaped interlocking tip
 331. 29. The self-assembly block toy set of claim 27 wherein the first interlocking unit 320 includes: a II-shaped interlocking tip 321, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 is inserted thereinto; slots 322 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 321; and protuberances 323 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 321; and wherein the second interlocking unit 330 includes: an I-shaped interlocking tip 333 that is inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300; and protuberances 334 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip
 333. 30. The self-assembly block toy set of claim 27 wherein the first interlocking unit 320 includes: a II-shaped interlocking tip 324, whose leaves are extended in a symmetrical way with a gap in between so that the second interlocking unit 130, 230, 330 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 is inserted thereinto; protuberances 325 that are formed in a symmetrical way on the inner wall of the II-shaped interlocking tip 324; and protuberances 326 that are formed in a symmetrical way on the outer wall of the II-shaped interlocking tip 324; and wherein the second interlocking unit 230 includes: an I-shaped interlocking tip 335 that is inserted into the first interlocking unit 120, 220, 320 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 and has an enneagonal unit 336 at the front end in the vertical direction; and slots 337 that are formed in a symmetrical way on the outer wall of the I-shaped interlocking tip
 335. 31. The self-assembly block toy set of claim 27 wherein the main body unit 310 includes, at the center of the outer surface of each side thereof, a third interlocking unit 380 which has an interlocking tip 381, whose two leaves are extended with a gap in between so that a side of the main body unit 110, 210, 310 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300 is inserted thereinto at right angles, wherein the interlocking tip 381 of the third interlocking unit 380 is shorter than the interlocking tip 321, 324, 331, 333, 335 of the first and second interlocking unit 320, 330 and has protuberances 382 on its inner surface, wherein one of the protuberances 382 is formed in the top portion of the inner surface while the other is formed in the bottom portion of the inner surface; a side surface orthogonal interlocking slot 371 is formed on the straight line slot 370, away from the center of the straight line slot 370 in one direction, of each side of the top surface of the main body unit 310 while the side surface orthogonal interlocking slot 371 is formed on the straight line slot 370, away from the center of the straight line slot 370 in the other direction, of each side of the bottom surface of the main body unit 310; and, when a side of the main body unit 310 of one of the triangular blocks 300 interlocks orthogonally with a side of the main body unit 110, 210, 310 of the other one of the square blocks 100, the other one of the pentagonal blocks 200 or the other one of the triangular blocks 300, one of the the protuberances 382 formed on the inner surface of the interlocking tip 381 of the third interlocking unit 380 of the one triangular block 300 is inserted into the side surface orthogonal interlocking slot 181, 281, 371 of the top surface of the main body unit 110, 210, 310 of the other square block 100, the other pentagonal block or the other triangular block 300 while the other protuberance 382 is inserted into the side surface orthogonal interlocking slot 181, 281, 371 of the bottom surface of the main body unit 110, 210, 310 of the other square block 100, the other pentagonal block 200, or the other triangular block
 300. 